The Grammy nominee (for Best Pop Solo Performance) has dyed her hair just about every shade of the rainbow. She’s always ready to try out the brightest eyeliner. And she loves to smile in pink or red. And let’s not forget about her electric manicures!
Sure, recently Katy has been happy in her natural roots with John Mayer. But we’re pretty sure she has something bold up her colorful sleeve for the Grammys red carpet on Sunday.